One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(11,15)(14,16)(17,18,23,26)(19,25,20,21)(22,30,32,27)(24,29,31,28)(10,13)(11,15)(17,19)(18,24)(20,23)(21,27)(22,29)(25,30)(26,31)(28,32) involution — undirected(2,5)(6,8)(9,10)(11,14)(12,13)(15,16)(17,20,23,19)(18,25,26,21)(22,29,32,28)(24,27,31,30)(1,3,4,7)(2,6,5,8)(10,13)(14,16)(17,21)(18,19)(20,26)(22,31)(23,25)(24,32)(27,29)(28,30)(9,11,12,15)(10,14,13,16)(18,26)(19,20)(27,30)(28,29)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.